Based on Boost Jam patch: https://github.com/boostorg/build/pull/133
retrofitted to our version. Only the rules whose name contains Cc or C++
are stored there. This can be improved if it's not good enough.
The commands are generated only as they are run. Unfortunately I think
with Jam there isn't really a way to do otherwise.
Change-Id: Ic5d44dc27baa2a2e4157324f6c5a228ab0366afe
Reviewed-on: https://review.haiku-os.org/c/buildtools/+/3260
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
It should probably be a command line option as it might be interesting in some cases.
Also added a "Build Failure" at the end if there were failed targets.
git-svn-id: file:///srv/svn/repos/haiku/buildtools/trunk@41294 a95241bf-73f2-0310-859d-f6bbb57e9c96